Explosive charge having a projectile forming insert

Abstract

An explosive charge including a body and an insert disposed within the body and having given regions which are uniformly distributed around the center of the insert which differ from their respective immediately adjacent regions for forming, upon explosive conversion of the charge, a rod-shaped projectile which has a tail end with shaped portions for providing aerodynamic stabilization of the trajectory of the projectile. The insert is fastened to the body in an essentially band-shaped contact zone disposed between the insert and the body so that there exists between the insert and the body a strong force transfer capability at the given regions and a weaker to negligible force transfer capability between the given regions.

What is claimed is: 
     
       1. In an explosive charge including a body containing explosive material and an insert disposed within a circular opening in the body and having given regions which are uniformly distributed around a periphery of the insert for forming, upon explosive conversion of the insert, a rod-shaped projectile which has a tail end with shaped portions for providing aerodynamic stabilization of the trajectory of the projectile, the improvement wherein said insert is rotationally symmetrical and further comprising: means for fastening said insert in an essentially band-shaped contact zone disposed between said periphery of said insert and said body so that there exists between said insert and said body a strong force transfer capability at said given regions within said contact zone and a weaker to negligible force transfer capability in regions between said given regions within said contact zone.   
     
     
       2. Explosive charge as defined by claim 1, wherein said means for fastening comprises friction-type connections. 
     
     
       3. Explosive charge as defined by claim 1, wherein said means for fastening comprises form locking connections. 
     
     
       4. Explosive charge as defined by claim 1, wherein said means for fastening comprises adhesive connections. 
     
     
       5. Explosive charge as defined by claim 1, wherein said means for fastening comprises welding connections. 
     
     
       6. Explosive charge as defined by claim 1, wherein said means for fastening comprises soldering connections. 
     
     
       7. Explosive charge as defined by claim 1, wherein said means for fastening comprises shrink connections. 
     
     
       8. An explosive charge comprising; a body filled with explosive material and having at least one circular opening; a rotationally symmetrical insert having a circular periphery disposed within said opening; and means for fastening said periphery of said insert to said body, such that a strong force transfer capability exists between said insert and said body at given regions distributed uniformly about said periphery and a weaker to negligible force transfer capability exists between said insert and said body at regions about said periphery between said given regions, whereby upon explosive conversion of said insert a rod-shaped projectile which has a tail end with shaped portions for providing aerodynamic stabilization of the trajectory of the projectile is formed, with said given regions producing outer fin tips in the tail end of the rod-shaped projectile and said regions between said given regions forming fin bases which are retracted toward the rod-shaped projectile. 
     
     
       9. An explosive charge as defined in claim 8, wherein; said body is a cylindrical-shaped explosive projectile and said opening and said insert are provided on a circular front side of said cylindrical-shaped explosive projectile. 
     
     
       10. In an explosive charge including a body containing explosive material and having a circular opening therein, a rotationally symmetrical insert of uniform cross-section disposed within said opening, and fastening means for fastening said insert in said opening forming an essentially band-shaped contact zone about a periphery of said insert; the improvement wherein said fastening means comprises means for providing a strong force transfer capability at given regions uniformly distributed about said periphery of said insert within said contact zone and for providing a weaker to negligible force transfer capability at regions between said given regions within said contact zone such that upon explosive conversion of said insert, said insert forms a rod-shaped projectile with said given regions producing outer fin tips in a tail end of the projectile and said regions between said given regions producing fin bases which are retracted toward the rod-shaped projectile for providing aerodynamic stabilization to the formed projectile.